2021 Mercedes-Benz GLC 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 25,871 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 25,871 miles on the clock, this 2021 Mercedes-Benz GLC AMG Line Premium has done roughly 22,300 fewer miles than a typical 2021 Mercedes-Benz GLC. Priced at £26,998, it is advertised £1,997 below the AskCar estimate of £28,995. The AskCar estimate uses 2,850 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 126 days ago. Its asking price has since fallen by £1,700. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Mercedes-Benz Of Perth, based in Perth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,997 (6%) under the AskCar estimate of £28,995.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,850 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 127 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 126 days.

Price history

AskCar first saw this advert on 4 July 2026 at £28,698. Its asking price is now £26,998, £1,700 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 4 July 2026: £28,698
• 21 September 2026: £27,998
• 11 October 2026: £27,498
• 15 October 2026: £26,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 24 June 2027.

It has had 4 MOTs. The latest, on 25 June 2026, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 25,886 miles, which matches the advertised 25,871 miles.

Advertised mileage is about 22,300 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

32 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,990 to £29,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 21,009 miles. Price: £29,500, £2,502 more than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-4d23aa28ac3f
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 32,000 miles. Price: £28,750, £1,752 more than this car. Dealer: Castle Motors in Liskeard. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-5c1468dbc3d1
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white. Mileage: 35,300 miles. Price: £28,995, £1,997 more than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-5c628e427f9b

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, red, 48 miles from this car. Mileage: 41,243 miles. Price: £26,549, £449 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-8d312a212c6d